CN103884459B - A kind of measurement of power equipment - Google Patents
A kind of measurement of power equipment Download PDFInfo
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- CN103884459B CN103884459B CN201410119766.1A CN201410119766A CN103884459B CN 103884459 B CN103884459 B CN 103884459B CN 201410119766 A CN201410119766 A CN 201410119766A CN 103884459 B CN103884459 B CN 103884459B
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- 238000005259 measurement Methods 0.000 title claims abstract description 137
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 15
- 239000007858 starting material Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013142 basic testing Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a kind of measurement of power equipment, belong to power machine and manufacture field.Measurement of power equipment comprises propulsion system and power measurement arrangement, and propulsion system, power measurement arrangement are connected in turn with engine.The present invention drives power measurement arrangement to rotate by propulsion system, power measurement arrangement is made to drive engine rotation, when the rotating speed of engine reaches startup rotating speed, engine is activated, and now disconnects the connection between propulsion system and power measurement arrangement, driven by engine power measurement arrangement is rotated, thus realize power measurement arrangement engine is tested, obtain the operational factor of engine, the starter motor not needing optional equipment different starts engine, reduce testing cost, easy to use; The present invention drives power measurement arrangement to rotate by propulsion system, and drag engine rotation by power measurement arrangement when ensureing that engine is not activated, and measure the towing astern frictional work of engine, the engine test needing to measure towing astern frictional work is launched smoothly.
Description
Technical field
The present invention relates to power machine and manufacture field, particularly a kind of measurement of power equipment.
Background technology
In the process of engine test exploitation, for ensureing that the power of engine meets the requirements, then must test engine, first should by carrying out testing the operational factor that can obtain engine to the normal engine run, and by determining the output power of engine to the calculating of operational factor, the engine test simultaneously had also needs mechanical friction resistance when measuring engine running by the method for towing astern and other resistances institute consumed power, i.e. towing astern frictional work.
Mostly by measurement of power equipment, engine is tested in prior art, and existing measurement of power equipment is generally electric eddy current dynamometer.Electric eddy current dynamometer mainly comprises eddy-current brake, device for measuring force, speed measuring device, shell and joint flange, eddy-current brake, device for measuring force, speed measuring device is all arranged on enclosure, and device for measuring force, speed measuring device is all connected with eddy-current brake, joint flange is positioned at outer side, and one end of joint flange is connected with eddy-current brake, during use, the other end of joint flange is connected with engine, and engine connects a starter motor matched with its performance parameter, by starter motor by engine start, driven by engine eddy-current brake is rotated, and by device for measuring force and speed measuring device, engine is tested.But because electric eddy current dynamometer self does not possess the ability of active rotation, engine running cannot be dragged when engine does not start, electric eddy current dynamometer cannot be measured the towing astern frictional work of engine.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Measurement of power equipment of the prior art in use, supporting starter motor must be equipped with to engine to start it, and due to the performance parameter of different engines different, so need to be equipped with different starter motors for different engines, directly increase the cost of Engine Block Test, and use very inconvenient; Simultaneously because electric eddy current dynamometer cannot measure engine towing astern frictional work, the engine test needing to measure towing astern frictional work cannot be launched.
Summary of the invention
Need to be equipped with different starter motors for different engine devices to solve prior art, the problem that cannot measure engine towing astern frictional work, embodiments provides a kind of measurement of power equipment.Described technical scheme is as follows:
A kind of measurement of power equipment, be connected with engine, described measurement of power equipment comprises propulsion system and the power measurement arrangement for the operational factor that measures described engine, described propulsion system, described power measurement arrangement are connected in turn with described engine, during work, described propulsion system drive described power measurement arrangement to rotate, and described power measurement arrangement drives described engine rotation;
Described measurement of power equipment also comprises clutch coupling, described clutch coupling is arranged between described power measurement arrangement and described propulsion system, and described clutch coupling is connected with described power measurement arrangement, described propulsion system respectively, described clutch coupling is used for being connected with described propulsion system by described power measurement arrangement or disconnecting.
Further, described propulsion system are frequency conversion direct current motor.
Further, described power measurement arrangement is electric eddy current dynamometer.
Further, described electric eddy current dynamometer comprises eddy-current brake, device for measuring force, speed measuring device and two joint flanges, described device for measuring force, described speed measuring device are all connected with described eddy-current brake, two described joint flanges are separately positioned on the two ends of described eddy-current brake, and a described joint flange is connected with described propulsion system, joint flange described in another is connected with described engine.
Further, described measurement of power equipment also comprises control system, and described control system is electrically connected with described engine, described propulsion system, described power measurement arrangement, described clutch coupling respectively.
Further, described measurement of power equipment also comprises drive mechanism, and described drive mechanism is arranged between described power measurement arrangement and described engine, and described drive mechanism is connected with described power measurement arrangement, described engine respectively.
Further, described drive mechanism is transmission shaft.
As preferably, described measurement of power equipment also comprises base, and described base is placed in the horizontal plane, and described propulsion system, described power measurement arrangement and described engine are all arranged on described base.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By arranging propulsion system, and by propulsion system, power measurement arrangement is connected in turn with engine, power measurement arrangement is driven to rotate by propulsion system, power measurement arrangement is made to drive engine rotation, when the rotating speed of engine reaches startup rotating speed, engine is activated, now disconnect the connection between propulsion system and power measurement arrangement, driven by engine power measurement arrangement is rotated, thus realize power measurement arrangement engine is tested, obtain the operational factor of engine, make when starting engine, do not need for each engine is equipped with different starter motors, directly reduce the cost of Engine Block Test, and use very convenient, simultaneously, the present invention is connected with power measurement arrangement by arranging propulsion system, power measurement arrangement can be driven to rotate by propulsion system, and drag engine rotation by power measurement arrangement when ensureing that engine is not activated, and measure the towing astern frictional work of engine, the engine test needing to measure towing astern frictional work is launched smoothly.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the power measurement arrangement structural representation that the embodiment of the present invention provides;
Wherein,
1 engine,
2 propulsion system,
3 power measurement arrangements,
31 joint flanges,
4 clutch couplinges,
5 drive mechanisms,
6 bases.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in Figure 1, embodiments provide a kind of measurement of power equipment, be connected with engine 1, measurement of power equipment comprises propulsion system 2 and power measurement arrangement 3, and propulsion system 2, power measurement arrangement 3 are connected in turn with engine 1.During work, when needing the operational factor measuring engine 1, propulsion system 2 drive power measurement arrangement 3 to rotate, power measurement arrangement 3 drives engine 1 to rotate, until after engine 1 is activated, now propulsion system 2 are connected with power measurement arrangement 3 and disconnect, and engine 1 drives power measurement arrangement 3 to rotate, and power measurement arrangement 3 measures the operational factor of engine 1; When needing the towing astern frictional work measuring engine 1, propulsion system 2 drive power measurement arrangement 3 to rotate, and power measurement arrangement 3 drags engine 1 and rotates, and measure the towing astern frictional work of engine 1 when guarantee engine 1 is not activated.
The present invention is by arranging propulsion system 2, and by propulsion system 2, power measurement arrangement 3 is connected in turn with engine 1, power measurement arrangement 3 is driven to rotate by propulsion system 2, power measurement arrangement 3 is made to drive engine 1 to rotate, when the rotating speed of engine 1 reaches startup rotating speed, engine 1 is activated, now disconnect the connection between propulsion system 2 and power measurement arrangement 3, engine 1 is made to drive power measurement arrangement 3 to rotate, thus realize power measurement arrangement 3 pairs of engines 1 and test, obtain the operational factor of engine 1, make when starting engine 1, do not need to be equipped with different starter motors for each engine 1, directly reduce the cost that engine 1 is tested, and use very convenient, simultaneously, the present invention is connected with power measurement arrangement 3 by arranging propulsion system 2, power measurement arrangement 3 can be driven to rotate by propulsion system 2, and drag engine 1 by power measurement arrangement 3 rotate when ensureing that engine 1 is not activated, and measure the towing astern frictional work of engine 1, make the engine 1 needing to measure towing astern frictional work test smooth expansion.
Further, as shown in Figure 1, embodiments provide a kind of measurement of power equipment, wherein, propulsion system 2 are frequency conversion direct current motor.Wherein frequency conversion direct current motor is selected according to the power parameter of power measurement arrangement 3, and as preferably, the power of frequency conversion direct current motor should match with the peak power of power measurement arrangement 3.To ensure that frequency conversion direct current motor can drive power measurement arrangement 3 to rotate.
Further, as shown in Figure 1, embodiments provide a kind of measurement of power equipment, wherein, power measurement arrangement 3 is electric eddy current dynamometer.Electric eddy current dynamometer both can reach the most basic test effect wanted required for the present invention, and electric eddy current dynamometer also has the advantages such as low inertia, high precision, high stability and structure are simple, easy to maintenance, cheap simultaneously.
Further, as shown in Figure 1, embodiments provide a kind of measurement of power equipment, wherein, electric eddy current dynamometer comprises eddy-current brake, device for measuring force, speed measuring device and two joint flanges 31, and device for measuring force, speed measuring device are all connected with eddy-current brake, and two joint flanges 31 are separately positioned on the two ends of eddy-current brake, and a joint flange 31 is connected with propulsion system 2, another joint flange 31 is connected with engine 1.During use, propulsion system 2 rotate through a joint flange 31 and drive rotor turns in eddy-current brake, and rotor drives engine 1 to rotate by another joint flange 31.
Further, as shown in Figure 1, embodiments provide a kind of measurement of power equipment, wherein, described measurement of power equipment also comprises clutch coupling 4, described clutch coupling 4 is arranged between described power measurement arrangement 3 and described propulsion system 2, and described clutch coupling 4 is connected with described power measurement arrangement 3, described propulsion system 2 respectively, and described clutch coupling 4 is for being connected described power measurement arrangement 3 with described propulsion system 2 or disconnecting.Before the use, power measurement arrangement 3 is connected with propulsion system 2, when measuring the operational factor of engine 1, propulsion system 2 drive power measurement arrangement 3 and engine 1 to rotate, until engine 1 is activated, and after steady running, propulsion system 2 disconnect with the connection of power measurement arrangement 3, make engine 1 drive power measurement arrangement 3 to rotate; When measuring the towing astern frictional work of engine 1, propulsion system 2 drive power measurement arrangement 3 and engine 1 to rotate, and remain in rotation process that engine 1 is in the state into starting, and propulsion system 2 and power measurement arrangement 3 remain connection status.By arranging clutch coupling 4 as clutch coupling 4, effectively can ensure the connection that propulsion system 2 and power measurement arrangement 3 are firm or disconnecting stably.
Further, as shown in Figure 1, a kind of measurement of power equipment is embodiments provided, wherein, described measurement of power equipment also comprises control system, and described control system is electrically connected with described engine 1, described propulsion system 2, described power measurement arrangement 3, described clutch coupling 4 respectively.The present invention that can make by arranging control system has self-starting pattern, by operating control system, start frequency conversion direct current motor, frequency conversion direct current motor drives power measurement arrangement 3 to rotate, and power measurement arrangement 3 drives engine 1 to rotate, when detecting that engine 1 is activated, control system sends instruction automatically, and propulsion system 2 are disconnected with the connection of power measurement arrangement 3; Simultaneously under towing astern pattern, control system controls frequency conversion direct current motor and drives power measurement arrangement 3 to rotate, make power measurement arrangement 3 drag engine 1 to rotate, in the process, the rotating speed of frequency conversion direct current motor can be controlled by control system accurately, and any rotating speed required for frequency conversion direct current motor can be met.
Further, as shown in Figure 1, embodiments provide a kind of measurement of power equipment, wherein, described measurement of power equipment also comprises drive mechanism 5, described drive mechanism 5 is arranged between described power measurement arrangement 3 and described engine 1, and described drive mechanism 5 is connected with described power measurement arrangement 3, described engine 1 respectively.Rotational structure is used for the rotation of frequency conversion direct current motor to pass to engine 1.
Further, as shown in Figure 1, embodiments provide a kind of measurement of power equipment, wherein, described drive mechanism 5 is transmission shaft.It should be noted that, drive mechanism 5 herein can also be the drive mechanism such as gear, driving-belt 5.
As preferably, as shown in Figure 1, embodiments provide a kind of measurement of power equipment, wherein, described measurement of power equipment also comprises base 6, and described base 6 is placed in the horizontal plane, and described propulsion system 2, described power measurement arrangement 3 are all arranged on described base 6 with described engine 1.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The present invention is by arranging propulsion system 2, and by propulsion system 2, power measurement arrangement 3 is connected in turn with engine 1, power measurement arrangement 3 is driven to rotate by propulsion system 2, power measurement arrangement 3 is made to drive engine 1 to rotate, when the rotating speed of engine 1 reaches startup rotating speed, engine 1 is activated, now disconnect the connection between propulsion system 2 and power measurement arrangement 3, engine 1 is made to drive power measurement arrangement 3 to rotate, thus realize power measurement arrangement 3 pairs of engines 1 and test, obtain the operational factor of engine 1, make when starting engine 1, do not need to be equipped with different starter motors for each engine 1, directly reduce the cost that engine 1 is tested, and use very convenient, simultaneously, the present invention is connected with power measurement arrangement 3 by arranging propulsion system 2, power measurement arrangement 3 can be driven to rotate by propulsion system 2, and drag engine 1 when engine 1 does not start by power measurement arrangement 3 and rotate, and measure the towing astern frictional work of engine 1, make the engine 1 needing to measure towing astern frictional work test smooth expansion.Power measurement arrangement 3 provided by the invention not only can be tested engine 1, simultaneously can also as the loading equipemtn of the power machines such as engine 1, gear case, reductor, wheel box, for testing their transmitted power.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a measurement of power equipment, be connected with engine, it is characterized in that, described measurement of power equipment comprises propulsion system and the power measurement arrangement for the operational factor that measures described engine, described propulsion system, described power measurement arrangement are connected in turn with described engine, during work, described propulsion system drive described power measurement arrangement to rotate, and described power measurement arrangement drives described engine rotation;
Described measurement of power equipment also comprises clutch coupling, described clutch coupling is arranged between described power measurement arrangement and described propulsion system, and described clutch coupling is connected with described power measurement arrangement, described propulsion system respectively, described clutch coupling is used for being connected with described propulsion system by described power measurement arrangement or disconnecting.
2. measurement of power equipment according to claim 1, is characterized in that, described propulsion system are frequency conversion direct current motor.
3. measurement of power equipment according to claim 1, is characterized in that, described power measurement arrangement is electric eddy current dynamometer.
4. measurement of power equipment according to claim 3, it is characterized in that, described electric eddy current dynamometer comprises eddy-current brake, device for measuring force, speed measuring device and two joint flanges, described device for measuring force, described speed measuring device are all connected with described eddy-current brake, two described joint flanges are separately positioned on the two ends of described eddy-current brake, and a described joint flange is connected with described propulsion system, joint flange described in another is connected with described engine.
5. measurement of power equipment according to claim 1, is characterized in that, described measurement of power equipment also comprises control system, and described control system is electrically connected with described engine, described propulsion system, described power measurement arrangement, described clutch coupling respectively.
6. measurement of power equipment according to claim 1, it is characterized in that, described measurement of power equipment also comprises drive mechanism, and described drive mechanism is arranged between described power measurement arrangement and described engine, and described drive mechanism is connected with described power measurement arrangement, described engine respectively.
7. measurement of power equipment according to claim 6, is characterized in that, described drive mechanism is transmission shaft.
8. measurement of power equipment according to claim 1, is characterized in that, described measurement of power equipment also comprises base, and described base is placed in the horizontal plane, and described propulsion system, described power measurement arrangement and described engine are all arranged on described base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410119766.1A CN103884459B (en) | 2014-03-27 | 2014-03-27 | A kind of measurement of power equipment |
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| CN201410119766.1A CN103884459B (en) | 2014-03-27 | 2014-03-27 | A kind of measurement of power equipment |
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| CN103884459A CN103884459A (en) | 2014-06-25 |
| CN103884459B true CN103884459B (en) | 2016-03-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122019B (en) * | 2014-07-23 | 2017-10-10 | 上汽通用五菱汽车股份有限公司 | A kind of measuring method of engine subsystems frictional work |
| CN104848975A (en) * | 2015-05-21 | 2015-08-19 | 遵义天义利威机电有限责任公司 | Power detection apparatus of motor |
| CN106124103B (en) * | 2016-08-17 | 2018-10-23 | 中检西部检测有限公司 | The dual-purpose dynamometer machine of floating electric motor type engine transient dynamic test and its dual-purpose method |
| CN112985658B (en) * | 2021-02-01 | 2022-05-13 | 温州技师学院 | Chassis power measuring equipment based on IGBT technology |
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|---|---|---|---|---|
| JPH01233339A (en) * | 1988-03-14 | 1989-09-19 | Mitsubishi Electric Corp | Apparatus for controlling dynamometer |
| CN200979494Y (en) * | 2006-09-22 | 2007-11-21 | 南通常通测试设备有限公司 | An alternative-current dynamometer for engine loading testing |
| CN101135610A (en) * | 2007-09-30 | 2008-03-05 | 中国南车集团株洲电力机车研究所 | Tandem type mixed power vehicle dynamic system test methods and device |
| CN201540201U (en) * | 2009-07-23 | 2010-08-04 | 浙江吉利汽车研究院有限公司 | Hybrid power system bench test device |
| CN102353489A (en) * | 2011-07-21 | 2012-02-15 | 凯迈(洛阳)机电有限公司 | Method for testing double-direction torque of eddy current dynamometer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4547239B2 (en) * | 2004-11-16 | 2010-09-22 | 株式会社エー・アンド・デイ | Engine measuring device |
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- 2014-03-27 CN CN201410119766.1A patent/CN103884459B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01233339A (en) * | 1988-03-14 | 1989-09-19 | Mitsubishi Electric Corp | Apparatus for controlling dynamometer |
| CN200979494Y (en) * | 2006-09-22 | 2007-11-21 | 南通常通测试设备有限公司 | An alternative-current dynamometer for engine loading testing |
| CN101135610A (en) * | 2007-09-30 | 2008-03-05 | 中国南车集团株洲电力机车研究所 | Tandem type mixed power vehicle dynamic system test methods and device |
| CN201540201U (en) * | 2009-07-23 | 2010-08-04 | 浙江吉利汽车研究院有限公司 | Hybrid power system bench test device |
| CN102353489A (en) * | 2011-07-21 | 2012-02-15 | 凯迈(洛阳)机电有限公司 | Method for testing double-direction torque of eddy current dynamometer |
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